Past the first 100 pages or so of inflationary crystal ball gazing, the Quarterly Economic Bulletin published by the Central Bank on Thursday gives space to its own economists to take a step back and analyse some issues in deeper detail. One of the resulting articles, by Thomas Conefrey, Rónán Hickey, David Staunton and Graeme Walsh of the Central Bank’s Irish Economic Analysis Division, is titled “Managing the Public Finances in Uncertain Times”. It pays particular attention to the fact that corporation tax has become not only one of the Exchequer’s largest sources of revenue, but also the most unpredictable.…